CN101675585A - System and method for engaging in conversation while using an earphone - Google Patents
System and method for engaging in conversation while using an earphone Download PDFInfo
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- CN101675585A CN101675585A CN200880005541A CN200880005541A CN101675585A CN 101675585 A CN101675585 A CN 101675585A CN 200880005541 A CN200880005541 A CN 200880005541A CN 200880005541 A CN200880005541 A CN 200880005541A CN 101675585 A CN101675585 A CN 101675585A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/107—Monophonic and stereophonic headphones with microphone for two-way hands free communication
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
A listening device for presenting at least one audio signal to a user comprises two earpieces, each including at least one speaker and capable to block substantially all external sounds from enteringan ear of a user The device further comprises a microphone for sensing an audio signal and a differential amplifier coupled to the microphone for amplifying the audio signal A switch enables an external audio signal to be connected to the ear pieces The switch can be adapted to connect one of the two audio sources to each of the earpieces so that both sources could be listened to simultaneously.
Description
The application is the U.S. Patent application No.11/677 that submitted on February 21st, 2007,395 continuity, and the full piece of writing of the document is quoted and is contained in this for your guidance.
Background of invention
Individual headphone is used for multiple audio frequency and communication equipment any---comprising music player and cell phone---is common in the consumer of today.Along with almost being sealed to ear and making the user and the appearance of subsides ear (in-the-ear) form that external voice is isolated, want to interrupt as the people and have commitment defini interval when user or user want to exchange with external environment condition.In this case, the user is forced to pull out next ear connector to listen attentively to audio-source any sound in addition.A kind of situation that is taken place is to listen to music player when running limit, canterer limit but do not wish fully isolated with the external voice of for example traffic noise.The another kind of situation person of being to use is listening to music and need exchange with another passenger or flight attendant.Wishing provides a plurality of audio streams to the user as required.
The accompanying drawing summary
In order more completely to understand this specification, with reference to following detailed description and accompanying drawing, in the accompanying drawings:
Fig. 1 illustrates exemplary according to an embodiment of the invention listening equipment;
Fig. 2 illustrates exemplary circuit according to an embodiment of the invention;
Fig. 3 illustrates another exemplary circuit according to an embodiment of the invention;
Fig. 4 illustrates another exemplary circuit according to an embodiment of the invention; And
Fig. 5 illustrates another exemplary circuit according to an embodiment of the invention.
Those skilled in that art be to be understood that in the accompanying drawing parts for the sake of simplicity and clear but exemplary.It should also be understood that some action and/or step can specific order of occurrence records or description and those skilled in that art are to be understood that the regulation like this about order is actually unwanted.Be appreciated that term used herein in addition and express have with corresponding research and sphere of learning in these terms and express corresponding general sense, unless provide concrete implication in this article in addition.
Describe in detail
Although the disclosure can have multiple modification and selection form, yet in the accompanying drawings some embodiment is shown by way of example and these embodiment will be described in detail in this article.Yet be appreciated that the disclosure is not limited to described concrete form, on the contrary, the present invention is intended to cover and drops on the present invention by all distortion, alternative and equivalent in the spirit and scope of appended claims definition.
Fig. 1 illustrates exemplary according to an embodiment of the invention listening equipment 10.This listening equipment 10 can be earphone, ear connector, headphone, wireless headset, wireless receiver, wireless head-band earphone, hearing aids, insert earphone etc.Listening equipment 10 can be used for multiple audio frequency and portable communication device, for example MP3 player, laptop computer, personal computer, dull and stereotyped PC, cell phone, CD Player etc.The listening equipment 10 that operationally is coupled in equipment can be stereo equipment, monophonic device or its combination.Listening equipment 10 comprises left and right sides earphone 12 and 14, user's input equipment 20 and the terminating connecting line 19 in ear connector 16.Earphone 12,14 can be electrically coupled to user's input equipment 20 by cable 18.At least one transducer (not shown) is encapsulated in the earphone 12,14.This transducer can be receiver, loud speaker, incorporate receiver and microphone or tandem receiver according to required application, and in general, left earphone 12 is positioned in user's left ear and right earphone 14 is positioned in user's auris dextra.Can provide the prominent (not shown) of ear mold or ear improving the comfort seal in the ear, and this ear mold can be similar to traditional ear mold, this will not further specify.Ear connector 16 can be used to earphone 12,14 is connected in the external equipment with output port.The user's input equipment 20 that is connected in ear connector 16 via connecting line 19 can be used to select at least one audio signal.User's input equipment 20 comprises that at least one switch configuration (not shown) is to control selectively to carry out some function also with explanation in more detail in this article between different mode.
Fig. 2 illustrates the functional schematic of listening equipment 100 according to an embodiment of the invention.Listening equipment 100 comprises left terminal 119a, right terminal 119c and the public terminal 119b that is formed in the connecting line 119.Listening equipment 100 also comprises left terminal 118a, right terminal 118c and the public terminal 118b that is formed in the cable 118.First loud speaker 128 is arranged on left earphone 112 and second loud speaker 130 is arranged in the right earphone 114.As shown in the figure, first loud speaker 128 and second loud speaker 130 are shared the same public terminal 118b of cable 118.User's input equipment 120 comprises switch configuration 132, power supply 138, microphone 122 and differential amplifier 124.Microphone 122 picks up the sound input of hearing in the environment, converts voice signal to the corresponding signal of telecommunication, and is electrically coupled to the input of differential amplifier 124.Microphone 122 can be silicon condenser microphone, electret microphone or dynamic microphone according to required application.Differential amplifier 124 can be incorporated in the microphone 122, thereby defines a differential microphone unit 126.Power supply 138 can be a battery.Switch configuration 132 comprises left-handed opening S1, right switch S 2 and contactor S3, they be in groups between two audio-source, to select.S1, the S2 of switch configuration 132 and S3 for example move mechanical switch such as formula switch, slippage switch, push-button switch, rotary switch or electronics (CMOS) switch etc.The stiff end 132b that the stiff end 132a of S1 is connected in connector 116 and S1 via the left terminal 119a of connecting line 119 is connected in first output 134 of differential amplifier 124.The stiff end 132c of S2 is connected in connector 116 via the right terminal 119c of connecting line 119 and the stiff end 132d of S2 is connected in second output 136 of differential amplifier 124.The movable terminal that the movable terminal of S1 is coupled in the input of first loud speaker 128 and S2 via the left terminal 118a of cable 118 is coupled in the input of second loud speaker 130 via the right terminal 118c of cable 118.The stiff end 132f of S3 is connected in differential amplifier 124 and the movable terminal of S3 is connected in power supply 138.
The public terminal 118b of cable 118 is electrically coupled to the public terminal 119b of connecting line 119 via the user's input equipment 120 that extends between first and second loud speakers 128,130 of connector 116 and earphone 112,114.When switch configuration 132 was in primary importance, the movable terminal of S1 was connected in stiff end 132a and the movable terminal of S2 is connected in stiff end 132c.First and second loud speakers 128,130 of earphone 112,114 are connected in connector 116 to receive first audio signal from audio-source 140.The movable terminal of S3 is connected in stiff end 132e so that power supply 138 disconnects with differential amplifier 124.When switch configuration 132 was in the second place, the movable terminal that the movable terminal of S1 is connected in stiff end 132b and S2 was connected in stiff end 132d.First and second loud speakers 128,130 of earphone 112,114 stride across differential amplifier 124 and are connected in series to receive second audio signal from microphone 122.The movable terminal of S3 is connected in stiff end 132f so that power supply 138 is connected in differential amplifier 124.When doing like this, the differential amplifier 124 of circuit 126 provides certain gain and output impedance, and its size allows to drive first and second loud speakers 128,130 of earphone 112,114.An advantage of equipment 100 is, is different from traditional circuit, equipment 100 between the loud speaker 128,130 of the output 134,136 of differential amplifier 124 and earphone 112,114 without any need for capacitance.In addition, equipment 100 does not need connection between the earth point of the earth point of circuit 126 and outer audio equipment 140.
Fig. 3 illustrates another functional schematic diagram of listening equipment 200 according to an embodiment of the invention.Fig. 3 structurally is similar to equipment 100 and the similar components of Fig. 2 and represents that by corresponding Reference numeral for example element 120 is corresponding to element 220.In this embodiment, switch configuration 232 comprises common switch S1 and contactor S3, they be in groups between two audio-source, to select.The stiff end 232a of S1 is connected in connector 216 via the public terminal 219b of connecting line 219, and connects first output 234 of differential amplifier 224.The stiff end 232b of S1 is connected in second output 236 of differential amplifier 224.The movable terminal of S1 is coupled in first and second loud speakers 228,230 of earphone 212,214 via the public terminal 218b of cable 218.The stiff end 232f of S3 is connected in differential amplifier 224 and the movable terminal of S3 is connected in power supply 238.The left terminal 218a of cable 218 that is coupled in the input of first loud speaker 228 is electrically coupled to the left terminal 219a of connecting line 219 via user's input equipment 220.The right terminal 218c that is coupled in the cable 218 of second loud speaker 230 is electrically coupled to the right terminal 219c of connecting line 219 via user's input equipment 220.When switch configuration 232 was in primary importance, the movable terminal of S1 was connected in stiff end 232a.The public terminal 219b that the public terminal 218b of the cable 218 between first and second loud speakers 228,230 of earphone 212,214 is connected in the connecting line 219 that is coupled to connector 216 is receiving first audio signal from audio-source 240, and the movable terminal of S3 is connected in stiff end 232e so that power supply 238 disconnects from differential amplifier 224.When switch configuration 232 was in the second place, the movable terminal of S1 was connected in stiff end 232b.The output 236 that the public terminal 218b of the cable 218 between first and second loud speakers 228,230 of earphone 212,214 is connected in differential amplifier 224 is receiving second audio signal from microphone 222, and the movable terminal of S3 is connected in stiff end 232f so that power supply 238 is connected in differential amplifier 224.Owing to connect with first audio signal from connector 216 from second audio signal of circuit 226, first and second signals mix and the signal that mixes is transferred into its earphone 212,214.According to the present invention, equipment 200 allows the user can hear the living audio signal of electricity and hears the outside sound that produces simultaneously.An advantage of equipment 200 is, is different from traditional circuit, equipment 200 between the loud speaker 228,230 of the output 234,236 of differential amplifier 224 and earphone 212,214 without any need for capacitance.In addition, equipment 200 does not need connection between the earth point of the earth point of circuit 226 and outer audio equipment 240.
Fig. 4 illustrates the another functional schematic diagram of listening equipment 300 according to an embodiment of the invention.Fig. 4 structurally is similar to the equipment 200 of Fig. 3, and similar components represents that by corresponding Reference numeral for example element 220 is corresponding to element 320.Listening equipment 300 comprises left terminal 319a, right terminal 319c and the public terminal 319b that is formed in the connecting line 319.Listening equipment 300 also comprises left terminal 318a, right terminal 318c and public terminal 318b.First loud speaker 328 is arranged in the left earphone 312 and second loud speaker 330 is arranged in the right earphone 314.First and second loud speakers 328,330 of earphone 312,314 are shared the same public terminal 318b of cable 318.User's input equipment 320 comprises first switch configuration 332, second switch configuration 342, power supply 338, microphone 322, differential amplifier 324.As shown in the figure, first switch configuration 332 comprises common switch S1 and contactor S3, and they are to combine with linkage work.Second switch configuration 342 comprises left-handed opening S4 and right switch S 5, and they fit together with linkage work.The stiff end 342a of S4 is connected in connector 316 via the left terminal 319a of connecting line 319.The stiff end 342c of S5 is connected in connector 316 via the right terminal 319c of connecting line 319.Stiff end 342b, the 342d of S4, S5 are connected in connector 316 via public terminal 319b.The movable terminal of S4 is connected in the input of first loud speaker 328 via the left terminal 318a of cable 318.The movable terminal of S5 is connected in the input of second loud speaker 330 via the right terminal 318c of cable 318.The stiff end 332a of S1 is connected in connector 316 via the public terminal 319b of connecting line 319.The stiff end 332a of S1 further is connected in first output 334 of differential amplifier 324.The stiff end 332b of S1 is connected in second output 336 of differential amplifier 324.The movable terminal of S1 is connected in first and second loud speakers 328,330 of earphone 312,314 via the public terminal 318b of cable 318.The stiff end 332f of S3 is connected in differential amplifier 324 and the movable terminal of S3 is connected in power supply 338.
When switch configuration 332,342 is in first pattern, the movable terminal of S1, S3, S4, S5 is connected in stiff end 332a, 332e, 342a, 342c, and first and second loud speakers 328,330 are connected in connector 316 to receive first audio signal and power supply 338 from external equipment 340 from differential amplifier 324 disconnections.When switch configuration 332,342 is in second pattern, the movable terminal of S1, S3, S4, S5 is connected in stiff end 332b, 332f, 342a, 342c, receive first and second audio signals that this first audio signal and the definition of second audio signal mix via connector 316 by first and second loud speakers 328,330 from first audio signal of external equipment 340 with from second audio signal of microphone 322.Power supply 338 is connected in differential amplifier 324 under second pattern.When switch configuration 332,342 is in three-mode, the movable terminal of S1, S3, S4, S5 is connected in stiff end 332b, 332f, 342b, 342d, and only second audio signal that is received by microphone 322 first and second loud speakers 328,330 and the power supply 338 that are sent to earphone 312,314 is connected in differential amplifier 324.When switch configuration 332,342 is in four-mode, the movable terminal of S1, S3, S4, S5 is connected in stiff end 332a, 332e, 342b, 342d, do not have signal to be provided for first and second loud speakers 328,330 of earphone 312,314, and therefore the user hear is quiet.Power source 338 can be the unipolarity power supply, and this is favourable from the angle of making.The power supply 338 of other example also is feasible.In this embodiment, nearly between 0.7V and the Vdd-0.7, wherein Vdd is the voltage of power supply 338 from the DC level of the signal of differential amplifier 324.Power supply 338 can be used to the cmos switch power supply, and cmos switch is used for realizing switch configuration 332,334, and the signal of switching is under the optimum voltage level.
Fig. 5 illustrates the another functional schematic diagram of listening equipment 400 according to an embodiment of the invention.Fig. 5 structurally is similar to equipment 300 and the similar components of Fig. 4 and represents that by corresponding Reference numeral for example element 320 is corresponding to element 420.Listening equipment 400 comprises left terminal 419a, public terminal 419b, right terminal 419c and microphone terminal 419d, and they jointly are arranged in the connecting line 419.Listening equipment 400 further comprises left terminal 418a, public terminal 418b and right terminal 418c, and they jointly are arranged in the connecting line 418.User's input equipment 420 comprises switch configuration 432, power supply 438, microphone 422 and differential amplifier 424.Switch configuration 432 comprises left-handed opening S1, the first common switch S2, the second common switch S3, right switch S 4 and contactor S5.The stiff end 432b that the stiff end 432a of S1 is connected in connector 416 and S1 via the left terminal 419a of connecting line 419 is connected in first output 434 of the public terminal 419b and the differential amplifier 424 of connecting line 419.The movable terminal of S1 is connected in the input of first loud speaker 428 via the left terminal 418a of cable 418.The stiff end 432d of S2 is connected in first output 434 of the public terminal 419b and the differential amplifier 424 of connecting line 419.The stiff end 432f of S3 is connected in second output 436 of differential amplifier 424 and is connected in the microphone terminal 419d of connecting line 419 via coupling capacitor 450.The movable terminal of S2 and S3 is connected in first and second loud speakers 428,430 via public terminal 418b.The stiff end 432g of S4 is connected in the right terminal 419c of connecting line 419.The stiff end 432h of S4 is connected in the output 436 of differential amplifier 424 and is connected in the microphone terminal 419d of connecting line 419 via coupling capacitor 450.The movable terminal of S4 is connected in the input of second loud speaker 430 via the right terminal 418c of cable 418.The movable terminal that the stiff end 432j of S5 is connected in differential amplifier 424 and S5 is connected in power supply 438.
Consider that making external equipment 440 is the cell phones with stereo MP3 function.When switch configuration 432 is in first pattern, be also referred to as honeycomb mode, the movable terminal of S1, S2, S3, S4 and S5 is connected in stiff end 432a, 432d, 432e, 432g and 432j separately, first and second loud speakers 428,430 are connected in connector 416 to receive first audio signal from external equipment 440 via terminal 419a, 419b, 419c, 418a, 418b, 418c, and power supply 438 is connected in circuit 426 simultaneously.Microphone 422 offers the input of external equipment 440 microphones by terminal 419d and coupling capacitor 450 with signal.When switch configuration 432 is in second pattern, be also referred to as the MP3 pattern, the movable terminal of S1, S2, S3, S4 and S5 is connected to stiff end 432a, 432d, 432e, 432g and 432i, first and second loud speakers 428,430 are connected in connector 416 receiving first audio signal from external equipment 440 via terminal 419a, 419b, 419c, 418a, 418b, 418c, but do not have electric current to offer circuit 426.When switch configuration 432 is in three-mode, be also referred to as mixed mode, the movable terminal of S1, S2, S3, S4 and S5 is connected to stiff end 432a, 432c, 432f, 432g and 432j, and receive by first and second loud speakers 428,430 via terminal 419a, 419b, 419c, 418a, 418b, 418c from external equipment 440 with from first and second audio signals of the mixing of the microphone 422 of circuit 426 via connector 416, and power supply 438 is connected in circuit 426.When switch configuration 432 is in four-mode, be also referred to as microphone mode, the movable terminal of S1, S2, S3, S4 and S5 is connected in stiff end 432b, 432c, 432e, 432h and 432j separately, only second audio signal that is received by the microphone 422 of circuit 426 is sent to first and second loud speakers 428,430, and is provided for differential amplifier 424 from the electric current of power supply 458.
When microphone 422 be activated with receive from environment listen audio signal the time, in order to save the life-span of power supply, control assembly (not shown) optionally can be offered circuit 426 to set pre-specified time.Equipment 400 enters sleep pattern and does not therefore need mains switch.
Yin Shu all documents comprise that announcement, patent application and patent are incorporated by reference herein with same degree herein, just as quoting each documents separately and particularly and giving full piece of writing explanation in this article.
Term " one ", " one " and " being somebody's turn to do " and the similar statement that (especially in the following claims) used in describing background of the present invention is interpreted into and covers odd number and plural number, unless explanation is arranged in this article in addition or clearly represent reverse situation with reference to background.The statement of the scope of this paper intermediate value only is intended to as the stenography method of quoting each the independent value that drops in this scope separately, and except as otherwise noted, and each independent value is included in the specification just as independent citation herein.All methods of Miao Shuing can any suitable order be carried out herein, unless explanation is arranged herein in addition or clearly represent reverse situation with reference to background.The use of any or all of example or the exemplary language (" for example " etc.) that provides herein only is intended to set forth better the present invention rather than scope of the present invention is construed as limiting, except as otherwise noted.Should being construed to part with any non-claim without any language in the specification, to be expressed as practice of the present invention institute requisite.
Preferred embodiment of the present invention is shown herein, comprises realization known for inventor optimal mode of the present invention.Should be appreciated that illustrated embodiment only for exemplary, and not will be understood that and limit the scope of the present invention.
Claims (45)
1. device that selectively audio signal is offered at least one earplug comprises:
Be used for the sensing audio power and form the differential microphone circuit of first audio signal from the audio power that is sensed, described differential microphone which couple is in first circuit ground; And
Switch configuration with the output that is connected in described at least one earplug, described switch configuration is coupled in described differential microphone circuit and external audio source, described external audio source is coupled in second circuit ground connection and transmits second audio signal, described second circuit ground connection is different from described first circuit ground on electric, the configuration of described switch is suitable for selecting in described first audio signal and described second audio signal at least one to present with the output in described switch configuration.
2. device as claimed in claim 1, it is characterized in that the configuration of described switch is suitable for selectively selecting in described first audio signal and described second audio signal at least one being presented to first earplug and in described first audio signal and described second audio signal at least one presented between second earplug.
3. device as claimed in claim 2 is characterized in that described device is positioned at the intersection of first cable and second cable, and described first cable is connected in first earplug with described device and described second cable is connected in second earplug with described device.
4. device as claimed in claim 3 is characterized in that, described device and described first, second earplug are coupled in connector via connecting line, and described connecting line comprises left terminal, right terminal and public terminal.
5. device as claimed in claim 4 is characterized in that described connecting line further comprises microphone terminal.
6. device as claimed in claim 1 is characterized in that, also comprises the user's interface that is used to receive user's input, and described user's interface is coupled in described switch configuration, and described user imports the setting of expression to described switch configuration.
7. device as claimed in claim 6 is characterized in that, described user input is suitable for selecting at least one option between the mixing of described first audio signal, described second audio signal or described first audio signal and second audio signal.
8. device as claimed in claim 6 is characterized in that, described user's interface comprises at least one switch.
9. device as claimed in claim 1 is characterized in that, described differential microphone circuit comprises differential amplifier and microphone.
10. device as claimed in claim 9 is characterized in that, described differential amplifier is combined in the described microphone and certain gain and output impedance is provided, and its size allows to drive the loud speaker at least one earplug.
11. device as claimed in claim 1 is characterized in that, described handover configurations is further adapted at the power that offers described differential microphone circuit that whenever cuts off of not selecting described first audio signal to present at described output.
12. device as claimed in claim 1, it is characterized in that described switch configuration is further adapted at the power that offers described differential microphone circuit that whenever switches of not selecting described first audio signal and described second audio signal to present at described output.
13. device as claimed in claim 1 is characterized in that, described switch configuration is further adapted for is selecting whenever the connect power that offers described differential microphone circuit of described first audio signal to present at described output.
14. device as claimed in claim 13 is characterized in that, control assembly is coupling in the life-span of saving described power supply between described switch configuration and the described differential microphone circuit with the predetermined time limit.
15. device as claimed in claim 1, it is characterized in that described switch configuration is further adapted at whenever the connect power that offers described differential microphone circuit of mixing to present at output of selecting described first audio signal and described second audio signal.
16. device as claimed in claim 1 is characterized in that, described switch configuration is further adapted for and selects at least a option in the mixing of described first audio signal, described second audio signal or described first audio signal and described second audio signal.
17. device as claimed in claim 1 is characterized in that, described switch configuration is suitable for selecting in the mixing of described second audio signal and described first audio signal and second audio signal.
18. device as claimed in claim 1 is characterized in that, described switch configuration is suitable for selecting between described first audio signal and described second audio signal.
19. device as claimed in claim 17 is characterized in that, described switch configuration is further adapted for: wherein do not select described first signal and described secondary signal to present at described output.
20. device as claimed in claim 1 is characterized in that, described second audio signal comprises the audio signal that shows music.
21. device as claimed in claim 1 is characterized in that, described first audio signal comprises the audio signal of initiating from the outside environment of described device.
22. device as claimed in claim 1 is characterized in that, described switch configuration comprises at least one mechanical switch.
23. device as claimed in claim 1 is characterized in that, described switch configuration comprises at least one electronic switch.
24. device as claimed in claim 1 is characterized in that, described device is included in the listening equipment.
25. device as claimed in claim 24 is characterized in that, described listening equipment is selected from the group that is made of earphone, earplug, headphone, insert earphone or hearing aids.
26. one kind at least a audio signal presented to user's system, comprising:
First earplug and second earplug, each in described first earplug and second earplug comprises at least one loud speaker, and each earplug all is suitable for blocking basically the ear that all external voices enter the user;
Microphone, described microphone are used for sensing first audio signal;
Differential amplifier, described differential amplifier are coupled in described microphone to amplify described first audio signal, and described differential amplifier is coupled in first electrical ground; And
The switch configuration, described switch configuration is coupled to external audio source and receives second audio signal from it, described external audio source have be different from electric described first electrical ground second electrical ground, the configuration of described switch further is coupled in described differential amplifier, described first earplug and described second earplug, and described switch configuration is suitable for selecting at least a to send described first earplug to and to send at least a in described first audio signal and described second audio signal to described second earplug in described first audio signal and described second audio signal.
27. system as claimed in claim 26, it is characterized in that, described microphone, differential amplifier and switch configuration are positioned at the intersection of first cable and second cable, and described first cable is connected in described first earplug with described device and described second cable is connected in second earplug with described device.
28. system as claimed in claim 26 is characterized in that, also comprises user's interface, described user's interface is coupled in described switch configuration in order to receive the user input of expression to the setting of described switch configuration.
29. system as claimed in claim 28 is characterized in that, described user's interface comprises at least one switch.
30. system as claimed in claim 28 is characterized in that, described user input is suitable for selecting at least a option in the mixing of described first audio signal, described second audio signal or described first audio signal and described second audio signal.
31. system as claimed in claim 26, it is characterized in that, described differential amplifier is integrated in the described microphone and certain gain and output impedance is provided, and its size is enough to drive first loud speaker and second loud speaker in described second earplug in described first earplug.
32. system as claimed in claim 26 is characterized in that, the configuration of described switch be further adapted for do not select described differential amplifier with provide at described output whenever cutting off of described first audio signal offer described differential amplifier power.
33. system as claimed in claim 26, it is characterized in that described switch configuration is further adapted at the power that offers described differential microphone circuit that whenever cuts off of not selecting described first audio signal and described second audio signal to present at described output.
34. system as claimed in claim 26 is characterized in that, described switch configuration is further adapted for is selecting whenever the connect power that offers described differential microphone circuit of described first audio signal to present at described output.
35. system as claimed in claim 34 is characterized in that, control assembly is coupling in the life-span of saving described power supply between described switch configuration and the described differential microphone circuit with pre-specified time.
36. system as claimed in claim 26, it is characterized in that described switch configuration is further adapted at whenever the connect power that offers described differential microphone circuit of mixing to present at described output of selecting described first audio signal and described second audio signal.
37. system as claimed in claim 26 is characterized in that, the configuration of described switch is further adapted at least a option of selecting in the mixing of described first audio signal, described second audio signal or described first audio signal and described second audio signal.
38. system as claimed in claim 26 is characterized in that, described switch configuration is suitable for selecting between the mixing of described second audio signal and described first audio signal and second audio signal.
39. system as claimed in claim 26 is characterized in that, described switch configuration is suitable for selecting between described first audio signal and described second audio signal.
40. system as claimed in claim 38 is characterized in that, described switch configuration further is adapted such that does not select first signal and secondary signal to present at described output.
41. system as claimed in claim 26 is characterized in that, described second audio signal comprises the audio signal that shows music.
42. system as claimed in claim 26 is characterized in that, described first audio signal comprises the audio signal of initiating from the external environment condition of described device.
43. system as claimed in claim 26 is characterized in that, described switch configuration comprises at least one mechanical switch.
44. system as claimed in claim 26 is characterized in that, described switch configuration comprises at least one electronic switch.
45. system as claimed in claim 26 is characterized in that, described system is selected in the group of free earphone, earplug, headphone, insert earphone or hearing aids formation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/677,395 | 2007-02-21 | ||
| US11/677,395 US8073153B2 (en) | 2007-02-21 | 2007-02-21 | System and method for engaging in conversation while using an earphone |
| PCT/US2008/052048 WO2008103521A1 (en) | 2007-02-21 | 2008-01-25 | System and method for engaging in conversation while using an earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101675585A true CN101675585A (en) | 2010-03-17 |
Family
ID=39706685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880005541A Pending CN101675585A (en) | 2007-02-21 | 2008-01-25 | System and method for engaging in conversation while using an earphone |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8073153B2 (en) |
| CN (1) | CN101675585A (en) |
| DE (1) | DE112008000463T5 (en) |
| TW (1) | TW200901806A (en) |
| WO (1) | WO2008103521A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665161A (en) * | 2011-06-27 | 2012-09-12 | 美国通用微机电系统公司 | Single-chip silicon microphone |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110190568A1 (en) * | 2008-06-25 | 2011-08-04 | Van Den Heuvel Koen | Enhanced performance implantable microphone system |
| US8379872B2 (en) * | 2009-06-01 | 2013-02-19 | Red Tail Hawk Corporation | Talk-through listening device channel switching |
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2008
- 2008-01-25 WO PCT/US2008/052048 patent/WO2008103521A1/en active Application Filing
- 2008-01-25 DE DE112008000463T patent/DE112008000463T5/en not_active Withdrawn
- 2008-01-25 CN CN200880005541A patent/CN101675585A/en active Pending
- 2008-01-29 TW TW097103237A patent/TW200901806A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102665161A (en) * | 2011-06-27 | 2012-09-12 | 美国通用微机电系统公司 | Single-chip silicon microphone |
Also Published As
| Publication number | Publication date |
|---|---|
| US8073153B2 (en) | 2011-12-06 |
| WO2008103521A1 (en) | 2008-08-28 |
| TW200901806A (en) | 2009-01-01 |
| US20080199029A1 (en) | 2008-08-21 |
| DE112008000463T5 (en) | 2010-01-21 |
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Open date: 20100317 |